EditorialSPREADING African Lapa, folio, Asclepias undulata L, signed: P.S. (sculp.), Fig. 16, after p. 16, p. 55, Sluyter, P. (sc.), 1706, Caspari Commelin ... Horti Medici ... plantae rariores et exoticae. Lugduni Batavorum: apud Federicum Haringh, 1706.